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Drawing an image from a data URL to a canvas
...canvas_id');
var ctx = myCanvas.getContext('2d');
var img = new Image;
img.onload = function(){
ctx.drawImage(img,0,0); // Or at whatever offset you like
};
img.src = strDataURI;
Edit: I previously suggested in this space that it might not be necessary to use the onload handler when a data URI i...
Asynchronously load images with jQuery
...y deferring certain paint or layout operations, and certainly delaying any onload event dependencies.
– Tom Auger
Nov 16 '11 at 21:20
2
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How to tell if a tag failed to load
...that it has not loaded after a timeout:
<script type="text/javascript" onload="loaded=1" src="....js"></script>
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What is the non-jQuery equivalent of '$(document).ready()'?
...
The nice thing about $(document).ready() is that it fires before window.onload. The load function waits until everything is loaded, including external assets and images. $(document).ready, however, fires when the DOM tree is complete and can be manipulated. If you want to acheive DOM ready, witho...
Preloading images with jQuery
...ls.length; i < j; i++) {
(function (img, src) {
img.onload = function () {
if (++loaded == pictureUrls.length && callback) {
callback();
}
};
// Use the followin...
AngularJS - How to use $routeParams in generating the templateUrl?
...en('/enquiry/:page', {
template: '<div ng-include src="templateUrl" onload="onLoad()"></div>',
controller: 'enquiryCtrl'
})
...
Controller:-
...
// template onload event
$scope.onLoad = function() {
console.log('onLoad()');
f_tcalInit(); // or other onload stuff
}
//...
How to add image to canvas
... base_image = new Image();
base_image.src = 'img/base.png';
base_image.onload = function(){
context.drawImage(base_image, 0, 0);
}
}
I.e. draw the image in the onload callback of the image.
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Is there a cross-domain iframe height auto-resizer that works?
...;iframe id="IframeId" src="http://xyz.pqr/contactpage" style="width:100%;" onload="setIframeHeight(this)"></iframe>
</div>
Next you have to bind windows "message" event under web page "abc.com/page"
window.addEventListener('message', function (event) {
//Here We have to check conten...
Get image data url in JavaScript?
...= new Image();
img.setAttribute('crossOrigin', 'anonymous');
img.onload = function () {
var canvas = document.createElement("canvas");
canvas.width =this.width;
canvas.height =this.height;
var ctx = canvas.getContext("2d");
ctx.drawImage(this, 0, 0)...
What can , and be used for?
...um="20" />
</f:viewParam>
<f:viewAction action="#{bean.onload}" />
</f:metadata>
<h:message for="id" />
with
public void onload() {
// ...
}
The <f:viewAction> is however new since JSF 2.2 (the <f:viewParam> already exists since JSF 2.0). If you c...